#include "../Log/sqylog.hpp"

void bench(const std::string& logger_name,size_t thr_count,size_t msg_count, size_t msg_len)
{
    //1.获取日志器
    sqy_log::Logger::ptr logger = sqy_log::getLogger(logger_name);
    if(logger.get() == nullptr)
    {
        return;
    }
    std::cout << "测试日志：" << msg_count << "条，总大小" << (msg_count * msg_len) / 1024 << "KB" << std::endl;
    //2.组织指定长度的日志消息
    std::string msg(msg_len - 1, 'A');
    //3.创建指定数量的线程
    std::vector<std::thread> threads;
    size_t msg_per_thr = msg_count / thr_count;//总日志数量/线程数量就是每隔线程要输出的日志数量
    std::vector<double> cost_array(thr_count);
    for(int i = 0; i < thr_count; i++)
    {
        threads.emplace_back([&,i](){
            //4.线程函数内部开始计时
            auto start = std::chrono::high_resolution_clock::now();
            //5.开始循环写日志
            for(int j = 0; j < msg_per_thr; j++)
            {
                logger->fatal("%s",msg.c_str());
            }

            //6.线程内部结束计时
            auto end = std::chrono::high_resolution_clock::now();
            std::chrono::duration<double> cost = end - start;
            cost_array[i] = cost.count();
            std::cout << "线程" << i+1 << ": " << "\t输出日志数量:" << msg_per_thr << ", 耗时:" << cost.count() << "s" << std::endl;
        });
    }

    for(int i = 0; i < thr_count; i++)
    {
        threads[i].join();
    }

    //7.计算总耗时：在多线程中，每个线程都会耗费时间，但是线程时时并发处理的，因此耗时最高的那个就是总时间
    double max_cost = cost_array[0];
    for(int i = 0; i < thr_count; i++)
    {
        max_cost = max_cost < cost_array[i] ? cost_array[i] : max_cost;
    }
    size_t msg_per_sec = msg_count / max_cost;
    size_t size_per_sec = (msg_count * msg_len) / (max_cost * 1024);

    //8.进行输出打印
    std::cout << "每秒输出日志数量" << msg_per_sec << "条\n";
    std::cout << "每秒输出日志大小" << size_per_sec << "KB\n";
    std::cout << "总耗时" << max_cost << std::endl;
}

void sync_bench()
{
    std::unique_ptr<sqy_log::LoggerBuilder> builder(new sqy_log::GlobalLoggerBuilder());
    builder->buildFormatter("%m%n");
    builder->buildLoggerLevel(sqy_log::LogLevel::value::WARING);
    builder->buildLoggerName("sync_logger");
    builder->buildLoggerType(sqy_log::LoggerType::LOGGER_SYNC);
    builder->buildSink<sqy_log::FileSink>("./logfile/async.log");
    builder->build();
    bench("sync_logger",3,1000000,100);
}

void async_bench()
{
    std::unique_ptr<sqy_log::LoggerBuilder> builder(new sqy_log::GlobalLoggerBuilder());
    builder->buildFormatter("%m%n");
    builder->buildLoggerLevel(sqy_log::LogLevel::value::WARING);
    builder->buildLoggerName("async_logger");
    builder->buildLoggerType(sqy_log::LoggerType::LOGGER_ASYNC);
    builder->buildEnableUnsafeAsync();
    builder->buildSink<sqy_log::FileSink>("./logfile/async.log");
    builder->build();
    bench("async_logger",3,1000000,100);
}
int main()
{
    async_bench();
    return 0;
}
